Cheapest return flights from Boston (BOS) to San Salvador (SAL), December

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
04 Dec 11 Dec American Airlines
07 Dec 27 Dec Copa
12 Dec 19 Dec American Airlines
10 Dec 30 Dec Copa
04 Dec 09 Dec Avianca
Direct Flight
04 Dec 11 Dec Avianca
Direct Flight
15 Dec 10 Jan American Airlines
07 Dec 27 Dec Avianca
Direct Flight
18 Dec 01 Jan American Airlines
19 Dec 09 Jan jetBlue
19 Dec 02 Jan American Airlines
20 Dec 03 Jan American Airlines
02 Dec 06 Dec Avianca
Direct Flight
14 Dec 21 Dec Avianca
Direct Flight
18 Dec 01 Jan Avianca
Direct Flight
20 Dec 03 Jan Avianca
Direct Flight
16 Dec 15 Jan Avianca
Direct Flight
30 Dec 03 Jan Avianca
Direct Flight
23 Dec 15 Jan Avianca
Direct Flight
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deals for one-way flights from Boston to San Salvador in December.

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Updated Aug 25, 2026.

About these fares

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